In 2007 and 2008, pen pals were promoted because the mode of recruiting friends was prevalent in major magazines at that time. At that time, only public institutions had telephones, and the Internet was a distant dream. Magazines were the favorite of young people at that time, and the mode of making friends began to prevail in major magazines. In the bottom row of the paper or the last two pages of the magazine, the declaration of making friends and contact information are published for young friends from all over the country to communicate with each other. Two strangers will form pen pals and exchange their life feelings with words on stationery.